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// license:BSD-3-Clause
// copyright-holders:Curt Coder
/**********************************************************************
Morrow Designs Disk Jockey 2D/B floppy controller board emulation
**********************************************************************/
#ifndef MAME_BUS_S100_DJ2DB_H
#define MAME_BUS_S100_DJ2DB_H
#pragma once
#include "s100.h"
#include "imagedev/floppy.h"
#include "machine/ay31015.h"
#include "machine/com8116.h"
#include "machine/wd_fdc.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> s100_dj2db_device
class s100_dj2db_device : public device_t,
public device_s100_card_interface
{
public:
// construction/destruction
s100_dj2db_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
// optional information overrides
virtual const tiny_rom_entry *device_rom_region() const override;
virtual void device_add_mconfig(machine_config &config) override;
virtual ioport_constructor device_input_ports() const override;
// device_s100_card_interface overrides
virtual uint8_t s100_smemr_r(offs_t offset) override;
virtual void s100_mwrt_w(offs_t offset, uint8_t data) override;
virtual uint8_t s100_sinp_r(offs_t offset) override;
virtual void s100_sout_w(offs_t offset, uint8_t data) override;
virtual void s100_phantom_w(int state) override;
private:
DECLARE_WRITE_LINE_MEMBER( fdc_intrq_w );
DECLARE_WRITE_LINE_MEMBER( fdc_drq_w );
// internal state
required_device<mb8866_device> m_fdc;
required_device<com8116_device> m_dbrg;
required_device<ay31015_device> m_uart;
required_device<floppy_connector> m_floppy0;
required_device<floppy_connector> m_floppy1;
required_device<floppy_connector> m_floppy2;
required_device<floppy_connector> m_floppy3;
floppy_image_device *m_floppy;
required_memory_region m_rom;
memory_share_creator<uint8_t> m_ram;
required_ioport m_j1a;
required_ioport m_j3a;
required_ioport m_j4;
required_ioport m_sw1;
// floppy state
int m_drive; // selected drive
int m_head; // head loaded
int m_int_enbl; // interrupt enable
// S-100 bus state
int m_access_enbl; // access enable
int m_board_enbl; // board enable
int m_phantom; // phantom
};
// device type definition
DECLARE_DEVICE_TYPE(S100_DJ2DB, s100_dj2db_device)
#endif // MAME_BUS_S100_DJ2DB_H
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